Home / 20,031.52-30,048.06-5,991.76

Finding the Fourth Proportional to 20,031.52, 30,048.06 and 5,991.76

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Solution

The fourth proportional to 20,031.52, 30,048.06 and 5,991.76 is: 8,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.52 : 30,048.06 = 5,991.76 : x
  2. Step 2: Convert to fraction form
    20,031.52/30,048.06 = 5,991.76/x
  3. Step 3: Cross multiply
    20,031.52x = 30,048.06 × 5,991.76
  4. Step 4: Simplify right side
    20,031.52x = 180,040,763.99
  5. Step 5: Solve for x
    x = 180,040,763.99/20,031.52
  6. Step 6: Final answer
    x = 8,987.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.